Outdoor anti-corrosion heat-preservation drain pipe

Abstract

The utility model discloses an outdoor anti-corrosion heat-preservation drain pipe, and relates to the technical field of drain pipes, the outdoor anti-corrosion heat-preservation drain pipe comprises a main pipe body, an anti-corrosion coating is arranged on the inner wall of the inner side of the main pipe body, a heat-preservation sheet is arranged on the outer side of the main pipe body, an anti-corrosion layer is arranged on the outer side of the heat-preservation sheet, and the heat-preservation sheet is composed of a heat-preservation plate and a sound insulation frame. A cavity is formed in the heat preservation plate, and a sound insulation frame is arranged on the inner side of the cavity. According to the outdoor anti-corrosion heat-preservation drainage pipe, by arranging the heat-preservation pieces, the cavities, the anti-corrosion layers and the like, the heat-preservation pieces are wound and fixed to the outer side of the main pipe body through the anti-corrosion layers, the heat-preservation effect of the drainage pipe is improved, the anti-corrosion layers are spirally wound on the surface, single-layer or multi-layer wrapping can be conducted, the anti-corrosion effect is improved, the service life of outdoor use is guaranteed, and practicability is improved; a cavity is formed in the heat preservation plate and filled with sound absorption particles, and noise generated during drainage is absorbed.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipes, in particular to an outdoor anti-corrosion and heat-insulating drainage pipe. Background Art

[0002] Drainage pipes refer to a system consisting of pipes and their ancillary facilities that collect and discharge sewage, wastewater and rainwater. Drainage pipes are not only used in buildings, but also in urban construction.

[0003] For example, publication number CN208830441U discloses an outdoor drainage pipe, including a pipe body, a clamping head is provided at the middle position of the pipe body, a clamping slot is provided on the inner side of the clamping head, buckles are provided on the left and right sides of the inner side of the clamping slot, a valve is provided above the clamping head, a rotating handle is provided on the top of the valve, a rubber sleeve is sleeved on the pipe body, a sleeve is provided on one side of the rubber sleeve, a mounting bracket is provided below the sleeve, and multiple connection methods are provided for connection. When connecting pipes, suitable joints can be selected according to the connection methods on external equipment for installation and connection, so that the equipment can be used for different external equipment, thereby improving its applicability; a protective ring is provided on the outside of the pipe body, which can protect the pipe body and prevent the pipe body from being damaged by external impact, thereby making the equipment safer;

[0004] The drainage pipe in this patent has poor anti-corrosion and thermal insulation properties when used outdoors. When the outdoor environment is low, it is easy to cause freezing and blockage of water flow, and the low temperature will damage the pipe body, which is easy to cause frost cracks. The outdoor installation environment is relatively complex, and the pipe body is directly exposed to the outside and is easily corroded. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an outdoor anti-corrosion and thermal insulation drainage pipe, which solves the problems of poor anti-corrosion and thermal insulation performance, easy freezing and blockage of water flow when the outdoor environment is low, and low temperature will damage the pipe body and easily cause frost cracks. The outdoor installation environment is relatively complex and the pipe body is directly exposed to the outside and is easily corroded.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: an outdoor anti-corrosion and heat-insulating drainage pipe, comprising a main body, the inner wall of the inner side of the main body is provided with an anti-corrosion coating, the outer side of the main body is provided with a heat-insulating sheet, and the outer side of the heat-insulating sheet is provided with an anti-corrosion layer;

[0007] The heat-insulating sheet is composed of a heat-insulating plate and a sound-insulating frame. A cavity is provided inside the heat-insulating plate, and a sound-insulating frame is provided inside the cavity.

[0008] Preferably, four thermal insulation sheets are distributed in a circular ring array on the main pipe body, and the thermal insulation sheets are designed in an arc-shaped structure to protect the main pipe body.

[0009] Preferably, the anti-corrosion layer is a polyethylene anti-corrosion film, and the anti-corrosion layer is spirally wound and fixed on the outside of the insulation sheet, a glue layer is arranged between the anti-corrosion layer and the insulation sheet, and the insulation sheet is fixed on the outside of the main pipe by winding the anti-corrosion layer.

[0010] Preferably, the insulation board is a phenolic resin insulation board, which increases the insulation effect and reduces the impact of low outdoor temperatures on the main pipe.

[0011] Preferably, the sound insulation frame is composed of vertical plates and transverse plates, the vertical plates are distributed at equal intervals, and the vertical plates are fixedly connected by transverse plates to achieve sound insulation and noise reduction.

[0012] Preferably, the inner side of the cavity is filled with resin spherical particles, which can absorb the noise during drainage and reduce the noise generated by drainage.

[0013] Beneficial Effects

[0014] The utility model provides an outdoor anti-corrosion and heat-insulating drainage pipe. Compared with the prior art, it has the following beneficial effects:

[0015] The outdoor anti-corrosion and heat-insulating drainage pipe is provided with insulation sheets, cavities and anti-corrosion layers. A plurality of insulation sheets are wrapped and fixed on the outside of the main pipe body by the anti-corrosion layer to increase the heat-insulating effect of the drainage pipe. The anti-corrosion layer is spirally wrapped on the surface and can be wrapped in a single layer or multiple layers to increase the anti-corrosion effect, ensure the life of outdoor use, and improve practicality. A cavity is provided in the insulation board and filled with sound-absorbing particles to absorb noise during drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the thermal insulation sheet of the utility model.

[0019] In the figure: 1. main pipe; 2. anti-corrosion coating; 3. insulation sheet; 31. insulation board; 32. sound insulation frame; 321. vertical board; 322. horizontal board; 33. cavity; 4. anti-corrosion layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 The utility model provides a technical solution: an outdoor anti-corrosion and heat-insulating drainage pipe, comprising a main body 1, an inner wall of the inner side of the main body 1 is provided with an anti-corrosion coating 2, an outer side of the main body 1 is provided with a heat-insulating sheet 3, four heat-insulating sheets 3 are distributed in a circular ring array of the main body 1, the heat-insulating sheet 3 is designed in an arc-shaped structure, an anti-corrosion layer 4 is provided on the outer side of the heat-insulating sheet 3, the anti-corrosion layer 4 is a polyethylene anti-corrosion film, and the anti-corrosion layer 4 is spirally wound and fixed on the outer side of the heat-insulating sheet 3, a glue layer is provided between the anti-corrosion layer 4 and the heat-insulating sheet 3, a plurality of heat-insulating sheets 3 are wound and fixed on the outer side of the main body 1 by the anti-corrosion layer 4, the heat-insulating effect of the drainage pipe is increased, and the anti-corrosion layer 4 is spirally wound on the surface, and can be wrapped in a single layer or multiple layers, the anti-corrosion effect is increased, and the service life of the drainage pipe in outdoor use is ensured;

[0022] The insulation sheet 3 is composed of an insulation board 31 and a sound insulation frame 32. The insulation board 31 is a phenolic resin insulation board. A cavity 33 is opened inside the insulation board 31. The inner side of the cavity 33 is filled with resin spherical particles. A sound insulation frame 32 is arranged on the inner side of the cavity 33. The sound insulation frame 32 is composed of a vertical plate 321 and a horizontal plate 322. The vertical plates 321 are distributed at equal intervals. The vertical plates 321 are fixedly connected by the horizontal plates 322. Multiple insulation sheets 3 are fixed by an anti-corrosion layer 4, which is convenient for disassembly of the insulation sheet 3. When the insulation structure is not required, the anti-corrosion layer 4 can be directly spirally wrapped around the surface of the main pipe 1 to reduce the cost of the drainage pipe. At the same time, a cavity 33 is arranged in the insulation sheet 3, which is filled with sound-absorbing particles to absorb noise during drainage.

[0023] During operation, multiple insulation sheets 3 are fixed on the outer side of the main body 1 by the anti-corrosion layer 4, which increases the insulation effect of the drain pipe. The anti-corrosion layer 4 is spirally wrapped on the surface and can be wrapped in a single layer or multiple layers to increase the anti-corrosion effect and ensure the life of the drain pipe in outdoor use. At the same time, multiple insulation sheets 3 are fixed by the anti-corrosion layer 4, which is convenient for disassembly of the insulation sheets 3. When the insulation structure is not required, the anti-corrosion layer 4 can be directly spirally wrapped on the surface of the main body 1 to reduce the cost of the drain pipe. At the same time, a cavity 33 is provided in the insulation sheet 3, which is filled with sound-absorbing particles to absorb noise during drainage.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An outdoor anticorrosive heat-insulating drainage pipe, comprising a main pipe body (1), characterized in that: The inner wall of the main pipe (1) is provided with an anti-corrosion coating (2), the outer side of the main pipe (1) is provided with a heat preservation sheet (3), and the outer side of the heat preservation sheet (3) is provided with an anti-corrosion layer (4); The heat-insulating sheet (3) is composed of a heat-insulating plate (31) and a sound-insulating frame (32); a cavity (33) is provided inside the heat-insulating plate (31), and a sound-insulating frame (32) is provided inside the cavity (33).

2. The outdoor anti-corrosion and heat-insulating drainage pipe according to claim 1 is characterized by: Four thermal insulation sheets (3) are distributed in a circular annular array on the main body (1), and the thermal insulation sheets (3) are designed to be arc-shaped.

3. The outdoor anti-corrosion and heat-insulating drainage pipe according to claim 1 is characterized by: The anti-corrosion layer (4) is a polyethylene anti-corrosion film, and the anti-corrosion layer (4) is spirally wound and fixed on the outer side of the thermal insulation sheet (3), and a glue layer is provided between the anti-corrosion layer (4) and the thermal insulation sheet (3).

4. The outdoor anti-corrosion and heat-insulating drainage pipe according to claim 1 is characterized by: The thermal insulation board (31) is a phenolic resin thermal insulation board.

5. The outdoor anti-corrosion and heat-insulating drainage pipe according to claim 1 is characterized by: The sound insulation frame (32) is composed of vertical plates (321) and transverse plates (322); the vertical plates (321) are distributed at equal intervals, and the vertical plates (321) are fixedly connected via the transverse plates (322).

6. The outdoor anticorrosion and heat preservation drainage pipe according to claim 1, characterized in that: The inner side of the cavity (33) is filled with resin spherical particles.

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